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Astex Pharmaceuticals, Inc. Message Board

  • weightbayou weightbayou Apr 9, 2013 9:17 AM Flag

    Patent issued today for Astex

    Issued jointly with their partner Novartis.

    United States Patent 8,415,355
    Brain , et al. April 9, 2013

    --------------------------------------------------------------------------------
    Pyrrolopyrimidine compounds and their uses

    Abstract
    The present invention relates to compounds of formula (I) and to pharmaceutically acceptable salts and pharmaceutical compositions thereof. The present invention also relates to use of the compounds of formula (I) in modulating the activity of protein kinases and in the treatment of disease, particularly a disease, disorder or syndrome associated with CDK 4 inhibition. ##STR00001##

    --------------------------------------------------------------------------------
    Inventors: Brain; Christopher Thomas (Cambridge, MA), Sung; Moo Je (Cambridge, MA), Lagu; Bharat (Acton, MA)

    Assignee: Novartis AG (Basel, CH)
    Astex Therapeutics Ltd. (Cambridge, GB)

    Appl. No.: 12/545,322
    Filed: August 21, 2009

    Sentiment: Strong Buy

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    • This is good news.

      Sentiment: Strong Buy

      • 1 Reply to weightbayou
      • I look at the patent. I believe this is the patent for LEE011. It looks like astex was busy in March with several patents. You have to accept the fact that a majority of this board are more interested in Calls and Puts and they actually have zero grasp of the science behind this. When this stock was $2, I battled daily to convince the batzem's,think's,rory's,mdbobbleheads about the potential breakout this stock would have.

        I recall how I once stated that the expand pipeline, meant that news would start to come expontentially. Almost with without exception, I got blasted on that comment, because the brainfarts of one long. When you find stuff like this, you just have to be prepared that these fellas do very little actual research. Looking at the past history here, some longs have a better history of picking a stock losing 75% of value, then they have of knowing what astex is up too.

        What I liked best by this patent info you gave, is that Novartis supplied the info. Will have to keep an eye on LEE011 to see if Novartis expands the trials of LEE011. The list of cancers that this compound might go after, maybe game changer? I appreciated the effort. Great find.

        Sentiment: Strong Buy

    • CDKs play a role in the regulation of the cell cycle, apoptosis, transcription, differentiation and CNS function. Therefore, CDK inhibitors could be useful in the treatment of diseases in which there is a disorder of proliferation, apoptosis or differentiation such as cancer. In particular RB+ve tumours may be particularly sensitive to CDK inhibitors. These include tumours harbouring mutations in ras, Raf, Growth Factor Receptors or over-expression of Growth Factor Receptors. Furthermore tumours with hypermethylated promoter regions of CDK inhibitors as well as tumours over-expressing cyclin partners of the cyclin dependent kinases may also display sensitivity. RB-ve tumours may also be sensitive to CDK inhibitors.
      Examples of cancers which may be inhibited include, but are not limited to, a carcinoma, for example a carcinoma of the bladder, breast, colon (e.g. colorectal carcinomas such as colon adenocarcinoma and colon adenoma), kidney, epidermis, liver, lung, for example adenocarcinoma, small cell lung cancer and non-small cell lung carcinomas, oesophagus, gall bladder, ovary, pancreas e.g. exocrine pancreatic carcinoma, stomach, cervix, thyroid, nose, head and neck, prostate, or skin, for example squamous cell carcinoma; a hematopoietic tumour of lymphoid lineage, for example leukemia, acute lymphocytic leukemia, chronic lymphocytic leukaemia, B-cell lymphoma (such as diffuse large B cell lymphoma), T-cell lymphoma, multiple myeloma, Hodgkin's lymphoma, non-Hodgkin's lymphoma, hairy cell lymphoma, or Burkett's lymphoma; a hematopoietic tumour of myeloid lineage, for example acute and chronic myelogenous leukemias, myelodysplastic syndrome, or promyelocytic leukemia; thyroid follicular cancer; a tumour of mesenchymal origin, for example fibrosarcoma or habdomyosarcoma; a tumour of the central or peripheral nervous system, for example astrocytoma, neuroblastoma, glioma or schwannoma; melanoma; seminoma; teratocarcinoma; osteosarcoma; xeroderma pigmentosum; kerato

    • CDKs are also known to play a role in apoptosis, proliferation, differentiation and transcription and therefore CDK inhibitors could also be useful in the treatment of the following diseases other than cancer; viral infections, for example herpes virus, pox virus, Epstein-Barr virus, Sindbis virus, adenovirus, HIV, HPV, HCV and HCMV; prevention of AIDS development in HIV-infected individuals; chronic inflammatory diseases, for example systemic lupus erythematosus, autoimmune mediated glomerulonephritis, rheumatoid arthritis, psoriasis, inflammatory bowel disease, and autoimmune diabetes mellitus; cardiovascular diseases for example cardiac hypertrophy, restenosis, atherosclerosis; neurodegenerative disorders, for example Alzheimer's disease, AIDS-related dementia, Parkinson's disease, amyotropic lateral sclerosis, retinitis pigmentosa, spinal muscular atropy and cerebellar degeneration; glomerulonephritis; myelodysplastic syndromes, ischemic injury associated myocardial infarctions, stroke and reperfusion injury, arrhythmia, atherosclerosis, toxin-induced or alcohol related liver diseases, haematological diseases, for example, chronic anemia and aplastic anemia; degenerative diseases of the musculoskeletal system, for example, osteoporosis and arthritis, aspirin-senstive rhinosinusitis, cystic fibrosis, multiple sclerosis, kidney diseases, ophthalmic diseases including age related macular degeneration, uveitis, and cancer pain.

    • Combinations

      A compound of the present invention may also be used in combination with other agents, e.g., an additional protein kinase inhibitor that is or is not a compound of the invention, for treatment of a protein kinase-associated disorder in a subject.

      By the term "combination" is meant either a fixed combination in one dosage unit form, or a kit of parts for the combined administration where a compound of the present invention and a combination partner may be administered independently at the same time or separately within time intervals that especially allow that the combination partners show a cooperative, e.g., synergistic, effect, or any combination thereof.

    • SUMMARY OF THE INVENTION

      There remains a need for new treatments and therapies for protein kinase-associated disorders. There is also a need for compounds useful in the treatment or prevention or amelioration of one or more symptoms of cancer, transplant rejections, and autoimmune diseases. Furthermore, there is a need for methods for modulating the activity of protein kinases, such as CDK1, CDK2, CDK4, CDK5, CDK6, CDK7, CDK8 and CDK9, using the compounds provided herein. In one aspect, the invention provides a compound of Formula I:

 
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